The Sena M1 Evo Smart MTB Helmet Matte Black M 55-59cm Bluetooth Intercom w/ charger is a high-quality full face helmet designed specifically for mountain biking enthusiasts. Product highlights: 1. Built-in audio communication system allows you to speak to fellow cyclists and listen to music 2. Connect with up to three other riders for 4-way Bluetooth Intercom 3. Bluetooth Intercom effective range: 900 meters / 980 yards 4. Bluetooth connectivity pairs to your smartphone so you can access features on-the-go 5. Safety and security with an integrated tail light and a comfortable and secure design. Sizing runs small Included in listing: 1. Helmet 2. USB charger 3. Manuals 4. Storage pouch 5. Original helmet box These helmets were worn a few times but are still in like new condition. Please see picture and feel free to ask any question. We're selling because we have extras. We will make our best attempt to ship within 24 hours of payment.